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Domestic most outdoor work or travelers adopt lead-acid storage battery to complete the related work or travel outside, lead-acid battery of large weight are brought by the low energy density than to outdoor work or travelers increased the intensity of labor, energy consumption greatly workers or travel, which affects the efficiency of work or travel. In the face of such difficulties should be how to do? Lithium battery is one specialized is engaged in outdoor storage of lithium-ion batteries a research, production and sales of high-tech enterprises. In order to be able to with outdoor work, travel more convenient, more happy enjoy them, developed a portable outdoor storage, lithium batteries, lithium batteries due to its high energy density ratio, light quality, small volume and pollution-free characteristics, has become a modern outdoor storage battery solution of choice. A, portable outdoor storage lithium battery design requirements: portable outdoor storage lithium batteries because of the need to work outdoors, so in the face of different temperature range. 3 - normal working current 5 a, 5 - require continuous work 6 hours, for which we imported samsung batteries, battery over temperature protection point set to - The scope of work of 10 ~ 75 degrees, 40 - design output overcurrent protection value 50 a, 7 a continuous maximum working current, load capacitance of 15. 6 ah, in order to fully meet the outdoor work or the needs of tourists. Specific design requirements parameters are as follows: 1) Lithium battery model design requirements: 18650 - 3S6P/15. 6啊/ 11。 1V。 2) Circuit design requirements: 1, single section as the overcharge protection voltage: 4. 20± 0. Section 25 v2, single charge recovery voltage: 4. 15± 0. 50 v3, single section put protection voltage: 2. 70± 0. 08 v4, single section discharge voltage: 3. 00± 0. 10 v5, combination battery over-current protection value ( 20 ms) : 40 ~ 50 a6, combination battery over temperature protection value ( Recoverable) : less than - 10 and greater than 75 degrees 7, battery products have short circuit, reverse filling protection. 8, battery cycle life design requirements: 300 ~ 500 times ( National standard charge and discharge standard) Second, portable outdoor storage spare lithium batteries design: 1) Protection board ( PCM) : mainly for rechargeable lithium-ion battery pack to carry on the design of protection circuit, due to the chemical character of the lithium battery, you need to provide intelligent power calculation, overcharge, discharge, short circuit, over-current protection function, etc. In order to avoid causing combustion and explosion danger. 2) Protection IC ( 保护集成电路) : the design scheme of main protection function chips, batteries for overcharge, discharge, over current, short circuit functions such as online constantly monitor, the batteries within the scope of the security and stability of high efficient work. 3) Temperature switch: mainly for temperature protection function design. When the temperature of the battery itself for other abnormal problems to achieve less than - 10± 5 ℃ and more than 70 & plusmn; 5 ℃ range, temperature switch, temperature protection 4) 18650 lithium ion batteries: 18650/2600 mah / 3. 7V Li- ion cell( Samsung) 。 5) Field effect tube ( MOSFET) : MOSFET tube, the protection circuit switch role, never make the load on both ends of the voltage rise also won't reduce, guarantee the stability of voltage. 6) Portable outdoor storage spare lithium batteries design principle diagram: outdoor storage power to cooperate with companies, to provide the most comprehensive service for each user, the most assured after-sales. And can according to your requirement to product what you need the power supply capacity, solar charging equipment, GPS positioning system, additional features such as waterproof protective devices, create more suitable for your products. If you are interested in or more energy storage power or have any questions, please click on the ( The company's web site) Contact our online customer service, or call:, and focus on the experience with you!